20809711320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{496889}}^1$

素因数の和:497252

約数の個数: 64

約数和(自身を含む): 62608140000

約数和(自身を除く): 41798428680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 349, 698, 1047, 1396, 1745, 2094, 2792, 3490, 4188, 5235, 6980, 8376, 10470, 13960, 20940, 41880, 496889, 993778, 1490667, 1987556, 2484445, 2981334, 3975112, 4968890, 5962668, 7453335, 9937780, 11925336, 14906670, 19875560, 29813340, 59626680, 173414261, 346828522, 520242783, 693657044, 867071305, 1040485566, 1387314088, 1734142610, 2080971132, 2601213915, 3468285220, 4161942264, 5202427830, 6936570440, 10404855660, 20809711320]

約数ペア:

[(1, 20809711320), (2, 10404855660), (3, 6936570440), (4, 5202427830), (5, 4161942264), (6, 3468285220), (8, 2601213915), (10, 2080971132), (12, 1734142610), (15, 1387314088), (20, 1040485566), (24, 867071305), (30, 693657044), (40, 520242783), (60, 346828522), (120, 173414261), (349, 59626680), (698, 29813340), (1047, 19875560), (1396, 14906670), (1745, 11925336), (2094, 9937780), (2792, 7453335), (3490, 5962668), (4188, 4968890), (5235, 3975112), (6980, 2981334), (8376, 2484445), (10470, 1987556), (13960, 1490667), (20940, 993778), (41880, 496889)]